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1000W-1300W 80+ Platinum ATX3.1 Power Supplies | GAMEMAX

As flagship graphics cards like the RTX 4090/4090 Ti and upcoming RTX 50 series push power consumption beyond 450W, paired with high-performance CPUs such as the Intel Core i9-14900K and AMD Ryzen 9 7950X3D, high-end PC builds demand unprecedented "power reserves" and "standard compat

LION CORE 1200P GAMEMAX,Computer Case,Power Supply,Cooling Parts,Keyboard,Mouse,Monitor

LION CORE 1200P

The world’s first lifetime warranty for a power supply ensures unmatched confidence and peace of mind.
Supports ATX3.1 and PCIe5.1 standards with a native 12V-2x6 connector for direct RTX™ 40/50 series GPU connections, reducing current loss and improving performance.
The bold and stylish design enhances the aesthetic appeal of your build while delivering top-tier functionality.
A 13.5cm low-RPM turbo axial fan with 0dB intelligent temperature control ensures ultra-quiet operation
Built with sustainable and green materials, it minimizes environmental impact without compromising performance.
100% Japanese capacitors rated for up to 105℃ ensures long-lasting durability and stable power delivery.
Matrix-arranged solid capacitors reduce ripple and noise for cleaner and more stable power delivery.
Dual-stage EMI filtering and anti-burn circuits protect the system from spikes, surges, and interference.
Thick cables with 11A gold-plated alloy terminals provide superior conductivity, reduced resistance, and exceptional durability.

LION CORE 1000P GAMEMAX,Computer Case,Power Supply,Cooling Parts,Keyboard,Mouse,Monitor

LION CORE 1000P

The world’s first lifetime warranty for a power supply ensures unmatched confidence and peace of mind.
Supports ATX3.1 and PCIe5.1 standards with a native 12V-2x6 connector for direct RTX™ 40/50 series GPU connections, reducing current loss and improving performance.
The bold and stylish design enhances the aesthetic appeal of your build while delivering top-tier functionality.
A 13.5cm low-RPM turbo axial fan with 0dB intelligent temperature control ensures ultra-quiet operation
Built with sustainable and green materials, it minimizes environmental impact without compromising performance.
100% Japanese capacitors rated for up to 105℃ ensures long-lasting durability and stable power delivery.
Matrix-arranged solid capacitors reduce ripple and noise for cleaner and more stable power delivery.
Dual-stage EMI filtering and anti-burn circuits protect the system from spikes, surges, and interference.
Thick cables with 11A gold-plated alloy terminals provide superior conductivity, reduced resistance, and exceptional durability.

RGB PRO 1300P GAMEMAX,Computer Case,Power Supply,Cooling Parts,Keyboard,Mouse,Monitor

RGB PRO 1300P

RGB PRO 1300P 1300W 80+ Platinum ATX3.1 Power Supply with Adaptive Fan & ARGB SYNC
80 Plus Platinum Efficiency: Delivers 92%+ efficiency under typical loads, cutting power use and noise for dependable performance.
ATX3.1 & PCIe5.1 Support: Native 12V-2x6 connector ensures seamless power to RTX 40/50 GPUs, optimizing delivery and reducing loss.
Adaptive Fan Control: 14CM fan auto-adjusts speed based on load, balancing energy efficiency with quiet operation.
High-Quality Components: Japanese 105°C and solid capacitors guarantee durability, stability, and reliability for intensive tasks.
Customizable RGB Lighting: 25 lighting modes with memory and ARGB SYNC support, enabling personalized and synchronized visual effects.

GX-1050 PRO (ATX3.1 PCIe5.1) GAMEMAX,Computer Case,Power Supply,Cooling Parts,Keyboard,Mouse,Monitor

GX-1050 PRO (ATX3.1 PCIe5.1)

1050W 80 Plus Platinum ATX3.1 PCIe5.1 power supply with PCIe5.1 12V-2*6 connector for direct RTX™ 40 Series GPU connection, minimizing current loss.
•  ATX3.1 & PCIe5.1 ready with 12V-2*6 connector
•  LLC MPS1213 Chipset optimizes LLC resonant circuit for high efficiency at all loads
•  UP3861 Chip ensures stable 3.3V and 5V outputs with reduced ripple noise
•  MPS6924 Chip boosts efficiency via optimized synchronous rectification
•  105℃ Japanese bulk capacitors ensure long life and stable output
•  Quiet, temperature-controlled axial fan for efficient cooling
•  Seven protection levels: OTP, OCP, SCP, OVP, UVP, OPP, SIP
•  Black flat copper output cables for efficient power delivery
•  SMT-produced components for fast heat dissipation and stability

GX-1250 PRO (ATX3.1 PCIe5.1) GAMEMAX,Computer Case,Power Supply,Cooling Parts,Keyboard,Mouse,Monitor

GX-1250 PRO (ATX3.1 PCIe5.1)

1250W 80 Plus Platinum ATX3.1 PCIe5.1 power supply with PCIe5.1 12V-2*6 connector for direct RTX™ 40 Series GPU connection, minimizing current loss.
•  ATX3.1 & PCIe5.1 ready with 12V-2*6 connector
•  LLC MPS1213 Chipset optimizes LLC resonant circuit for high efficiency at all loads
•  UP3861 Chip ensures stable 3.3V and 5V outputs with reduced ripple noise
•  MPS6924 Chip boosts efficiency via optimized synchronous rectification
•  105℃ Japanese bulk capacitors ensure long life and stable output
•  Quiet, temperature-controlled axial fan for efficient cooling
•  Seven protection levels: OTP, OCP, SCP, OVP, UVP, OPP, SIP
•  Black flat copper output cables for efficient power delivery
•  SMT-produced components for fast heat dissipation and stability

RGB-Smart  1300 PRO (ATX3.1 PCIe5.1) GAMEMAX,Computer Case,Power Supply,Cooling Parts,Keyboard,Mouse,Monitor

RGB-Smart 1300 PRO (ATX3.1 PCIe5.1)

GameMax RGB 1300w PC power supply, 80 Platinum Certified,modular power supply
1300W Power: Fully modular, 80+ Platinum Certified, 92% efficiency
Advanced Design: LLC+DC-DC with powerful single +12V rail.
Compatibility: Supports ATX 3.0/3.1, PCIe 5.0/5.1, 16-pin 12V-2*6 for latest GPUs.
RGB Lighting: 140mm ARGB fan with 25 lighting modes, syncs with major motherboard brands.
High-Quality Components: Japanese bulk capacitor for durability and stability.
Quiet Cooling: 140mm ultra-quiet fan with automatic temperature control.
Wireless Design: Wireless design for cleaner setup and better heat dissipation.
Comprehensive Protection: OPP/OVP/UVP/SCP/OCP/SIP for stability and safety.

As flagship graphics cards like the RTX 4090/4090 Ti and upcoming RTX 50 series push power consumption beyond 450W, paired with high-performance CPUs such as the Intel Core i9-14900K and AMD Ryzen 9 7950X3D, high-end PC builds demand unprecedented "power reserves" and "standard compatibility" from power supplies. As the core of a PC’s power delivery, a power supply’s stability directly impacts the lifespan of the entire system. Today, 80+ Platinum certification (for exceptional energy efficiency) and ATX3.1 compliance (for future-ready compatibility) have become the "gold standards" for premium PC builds.

This article focuses on GAMEMAX’s 1000W-1300W 80+ Platinum ATX3.1 power supply lineup. From technical fundamentals to product details, we’ll explore how these units meet the rigorous demands of high-end gaming, professional content creation, and multi-GPU configurations.

Technical Foundations: The Core Value of ATX3.1 and 80+ Platinum

Before delving into specific products, it’s critical to understand the significance of these two key technical labels—they are not "gimmicks" but "must-haves" for stable high-end PC performance.

1. ATX3.1: A Power Standard Tailored for Next-Gen Hardware

Developed by Intel for high-power hardware, the ATX3.1 standard centers on two major upgrades: dynamic power adaptation and interface compatibility:

  • Supports GPU Transient Power Spikes: Flagship GPUs may experience instantaneous power surges up to twice their rated wattage under heavy load (e.g., the RTX 4090 can hit 1000W transient power). ATX3.1 power supplies must withstand these spikes without triggering protective shutdowns, preventing game stuttering or system crashes.

  • Native PCIe 5.1 12V-2x6 Connector: No adapters are needed to connect RTX 40/50 series GPUs directly. This reduces current loss (typically 5%-8% less than adapters) and eliminates heat-related risks at the connector— a core feature of all GAMEMAX units in this lineup.

2. 80+ Platinum: The "Energy-Saving Certification" for Peak Efficiency

In the 80+ certification hierarchy, Platinum represents the high-end standard for consumer power supplies. It requires ≥92% efficiency at typical load (50%) and ≥89% efficiency at full load (100%). For 1000W+ high-wattage units, this certification delivers tangible benefits:

  • Take a 1000W power supply as an example: If run at full load for 8 hours daily, a Platinum unit saves approximately 150 kWh annually compared to an 80+ Gold unit. At \(0.15/kWh (average global rate), this translates to \)22.5 in yearly savings.

  • Higher efficiency means less heat generation, which extends the lifespan of internal components (e.g., capacitors, fans) and reduces overall system cooling pressure.

Shared Technical Highlights: Redefining the High-Wattage PSU Experience

While the three models target different use cases, all feature GAMEMAX’s "core technology matrix"—designs that collectively set the "premium standard" for high-wattage power supplies:

1. Triple Circuit Topology: LLC + DC-DC + APFC

This is the "standard architecture" for Platinum-level PSUs, optimized by GAMEMAX:

  • LLC Resonant Circuit: Improves high-frequency conversion efficiency, reduces switching losses, and pushes full-load efficiency above 89%.

  • DC-DC Circuit: Independently regulates 3.3V/5V output (for hard drives and RAM), avoiding interference with the 12V rail (for CPU/GPU) and enhancing overall system stability.

  • Active PFC (APFC): Achieves a power factor of ≥0.99 (near the ideal value of 1), reducing harmonic interference to the power grid and preventing PSU shutdowns from voltage fluctuations.

2. Dual Optimization for Quiet Operation & Cooling

High-wattage PSUs often generate noise due to cooling needs—GAMEMAX solves this with two key designs:

  • FDB Fluid Dynamic Bearing Fan: Reduces noise by 5dB and extends lifespan by 3x (up to 100,000 hours) compared to traditional ball-bearing fans.

  • Intelligent Stop + Temperature-Based Speed Control: The fan stops at <30% load (e.g., web browsing, office work), runs at low speed (noise <22dB) at 30%-70% load, and only speeds up for full-load cooling—balancing silence and thermal performance.

3. Fully Modular + Blacked-Out Cables

All three models feature fully modular designs with 16AWG black braided cables:

  • Thicker cables (16AWG) handle higher current (10A per cable), preventing overheating under heavy load.

  • Black braiding reduces cable oxidation, matches black case components, and enhances build aesthetics.

IV. Use Case Matching: Which PSU Is Right for Your High-End Build?

Choosing a 1000W-1300W PSU depends on "matching system power needs + reserving upgrade headroom." Below is a use case guide for the three models:

PSU Model

Rated Power

Core Advantages

Ideal Use Cases

RGB PRO 1300P

1300W

ARGB Lighting, Adaptive Fan

Gaming PCs (RTX 5090 + Core i9-15900K), RGB-Centric Builds

LION CORE 1200P

1200W

Lifetime Warranty, Military-Grade Components

Workstations (Dual RTX 4080 + Xeon W-3400), Long-Term Static Builds

LION CORE 1000P

1000W

High Value, 5-Year Warranty

High-End Gaming PCs (RTX 4080 + Core i9-14900K), Content Creation (Video Rendering)

Buying Formula: Full-system load power × 1.4 ≈ PSU rated power (reserve 40% headroom to avoid long-term full-load operation and extend PSU lifespan). For example:

  • A system with 700W full-load power needs a 1000W PSU (700 × 1.4 ≈ 980W).

  • A system with 900W full-load power needs a 1300W PSU (900 × 1.4 ≈ 1260W).

V. Conclusion: The "Gold Standard" for High-Wattage PSUs—Only from GAMEMAX

In the high-end PSU market, "meeting wattage requirements" is just the basics. "Standard compliance," "leading efficiency," and "reliable durability" are the true competitive advantages. GAMEMAX’s 1000W-1300W 80+ Platinum ATX3.1 series delivers:

  • Forward-looking compatibility with ATX3.1 and PCIe 5.1 for next-gen hardware.

  • Energy savings and low heat via 80+ Platinum certification.

  • Differentiated designs (lifetime warranty, ARGB lighting) to meet diverse user needs.

For high-end PC builders seeking a "future-proof" solution, choosing one of these PSUs means investing not just in "sufficient power" but in "long-term stable power protection"—the core value of GAMEMAX in the high-wattage PSU segment.